It turns out the Internet is useful for horse people, I was able to find a whole list of simple online resources and tools that may interest the horse lover in you.
Online Horse Calculators
All of them are easy to understand and use and their results are instant.
Horse Age Calculator
Learn your horse’s age in human years with this handy calculator.
Horse Weight Calculator
Simply enter heart girth and body length (in inches) and get the estimated weight of your animal.
Coat Color Calculator
Input the dam and sire coat information and it will calculate the possible offspring coat colors and their probability.
Horse Gestation Calculator
Add the date of exposure and this calculator will give you an estimated due date for your latest foal.
Enter the lifestyle and weight of your horse and this will tell you how many calories a day your animal needs.
Another option, this one requires that you enter your weight, length, heart girth length, workload and condition.
Anyone know of another? Leave it in the comments or send it to me and I’ll add it here.